Submersible pink frosted Dalong ball cylinder gas extraction gas plug Submersible pink frosted Dalong ball cylinder gas extraction gas plug base Light blue frosted Dalong Ball cylinder gas extraction gas plug Light blue frosted Dalong Ball cylinder gas extraction gas plug Light blue frosted Dalong ball cylinder gas extraction gas plug Light blue frosted Dalong ball cylinder gas extraction gas plug Light blue frosted Dalong ball cylinder gas extraction gas plug Light blue frosted Dalong Ball cylinder